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20130421
20130421
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south bay, is the new center of tech. now certainly the san jose area still has apple, the world's most valuable company, as well as google. >> talk about that facebook phone. >> peninsula has facebook. but the new hot start-ups, twitter, yelp, sales force, were all drawn to san francisco. several because of the city's community benefit agreement or cba. a contract whereby the city agrees to drop some taxes in exchange for economic benefits. in the case of start-up zen, the company agreed to locate in the downtrodden tenderloin. and support local jobs. in this case, a accident desk luncheon catered by a charity which trains and employs formerly homeless workers. that arrangement has become known as the twitter tax break. however, it really ought to be known as the zen tax break. mark nu. martin giles of the economist. we will talk about how -- what you have to do to san francisco to earn this. but let's start with what you get out of it. why do you want this? >> i think that -- several things drove this product. one of the things i feel personally is the most for thing is that we have a
. a scientific explanation for the old saying one bad apple spoils the bunch. this tiny parasitic vine called a daughter smells its way toward food attracted by the chemicals released by a tomato plant. i will eventually wrap around the stall being to absorb really steal the nutrients it needs. knowing all of this about these plants can be slightly horrifying. >> yeah, that's why you have to temper this by realizing that they don't care. >> reporter: vegetarians, he assures need not feel guilty. the whole thing sounds like something dreamed up in hollywood. like that man-eating plant in little shop of horrors. >> here we're seeing the great venus fly trap. >> reporter: why great? we can identify with it. we can actually see it eating. >> reporter: when a bite-sized bug enters the plant it touches a tiny trigger, but the plant will only snap shut and eat the bug if it touches a second trigger within a certain period of time. he calls that a primitive form of memory. it has a memory specific to a length of time. >> a memory to a link of time just like i have a memory for a length of time for a
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